diff --git a/paddle/fluid/memory/allocation/CMakeLists.txt b/paddle/fluid/memory/allocation/CMakeLists.txt
index 8eff7a3fc881b0abbe63cee5a4d09fdac71d8d3c..0a5a3b31542b5fd5dd71f7531e34233e6f735aba 100644
--- a/paddle/fluid/memory/allocation/CMakeLists.txt
+++ b/paddle/fluid/memory/allocation/CMakeLists.txt
@@ -47,6 +47,10 @@ if(NOT WIN32)
   endif()
 endif()
 
+if(UNIX AND NOT APPLE)
+  list(APPEND ALLOCATOR_DEPS rt)
+endif()
+
 if(WITH_ASCEND_CL)
   list(APPEND ALLOCATOR_SRCS npu_allocator.cc npu_pinned_allocator.cc)
   list(APPEND ALLOCATOR_DEPS npu_info)